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Finding the Fourth Proportional to 16,435.80, 22,681.41 and 8,882.13

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Solution

The fourth proportional to 16,435.80, 22,681.41 and 8,882.13 is: 12,257.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,435.80 : 22,681.41 = 8,882.13 : x
  2. Step 2: Convert to fraction form
    16,435.80/22,681.41 = 8,882.13/x
  3. Step 3: Cross multiply
    16,435.80x = 22,681.41 × 8,882.13
  4. Step 4: Simplify right side
    16,435.80x = 201,459,295.10
  5. Step 5: Solve for x
    x = 201,459,295.10/16,435.80
  6. Step 6: Final answer
    x = 12,257.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.